I think that may or may not do it. I used to recommend that design, but that emitter follower design doesn't address one of the major issues with the serial data, that of amplitude. When I still had issues with serial data with that design, I bit the bullet and did some research to build the "end all" serial data buffer that boosts the amplitude to full rail-to-rail levels. I have never had an issue with serial data with my current design.
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